T Texastruckmarket.com Staff

Understanding how Your Semi Truck feels through the Boost and Pyrometer Gauge

Feb 1, 2024

Understanding how Your Semi Truck feels through the Boost and Pyrometer Gauge


It's all about GAUGES the little clock-looking things on the dash. The ones that you sometimes take a slight glance at and say ahhh…they're good 😶 here we’ll talk about.

- What they are actually reading

- What number should it be at?

- Do you really need them?

📍What they are actually reading…



Boost Gauge: This is your truck's inhaler. It measures the pressure of the air being pushed into the engine by the turbocharger - essentially how hard your engine's turbo is working. More air pressure means more power to the engine with less strain, leading to a smoother and more fuel-efficient ride.

Pyrometer (EGT Gauge): Think of this as the fever thermometer for your truck. It measures the temperature of the exhaust gases. High temperatures can indicate that your engine is working too hard, potentially leading to damage over time.🔥🔥🔥

Boost and Pyrometer gauges are a must-have!

What number should it be at 🤔…



Boost Pressure: Aim for the magic numbers between 25-30 PSI for most single turbo engines. If you're sporting a double turbo, the numbers might be higher, but this range is your engine's happy place. It means your turbo is giving your engine the breath of fresh air it needs, optimizing performance and fuel consumption.

EGT (Pyrometer): Keep it cool! For trucks predating 2003, with engines around 500 HP, you'll want to keep EGT below 1000°F to prevent your engine components from turning into a headache down the road. Excessive heat can damage pistons, exhaust manifolds, and turbochargers, leading to costly repairs.

Boost and Pyrometer gauges will assist you with more power in your truck!


Do you need them?🕛…


Short answer, ABSOLUTELY!

 Unless you fancy the idea of getting cozy with your mechanic on a bi-weekly basis, installing Boost and Pyrometer gauges is a no-brainer. They're not just tools for troubleshooting; they're your first line of defense against inefficiency and engine damage. For a minimal investment (a turbo boost gauge runs about $160, and installation is a DIY job), you're essentially buying peace of mind and saving a fortune in potential repairs.

Without Boost and Pyrometer gauges, you're flying blind. Low boost pressure can be a tell-tale sign of turbo issues, air leaks, or exhaust restrictions. Similarly, high exhaust temperatures could mean you're burning more fuel than necessary, stressing your engine, and inching closer to a breakdown.

Boost and Pyrometer gauges will protect your investment!

Sooo… all that's left is to pick the color that matches your interior.Click here to see all the color options

https://texastruckmarket.com/collections/turbos

📍 Why Your Boost Gauge is Your Best Friend: A Quick Tale

Let's talk about "John," a long-haul trucker who loved his rig but overlooked one small detail: the boost gauge. John's truck started losing power, especially on the uphills he used to climb with ease. Concerned, he called us for advice.

-"Do you know what your boost gauge is reading?" we asked, hoping for a clue.

-"I don't have one," John confessed.

That was our first clue. Without a boost reading, pinpointing the problem was like finding a needle in a haystack. John brought his truck in, and sure enough, a quick check revealed a significant boost leak in the intercooler—a common issue, easily diagnosable with a working boost gauge.

John learned that day the value of a boost gauge. It's not just another dial on the dashboard; it's a critical tool that keeps you informed about your engine's health. By monitoring his boost, John could have caught the leak early, avoiding the power loss and the stress of an unexpected shop visit.


The moral of the story? Keep an eye on your boost gauge. It's a small investment that can save you a ton of trouble, keeping your truck running smoothly and efficiently. Don't be like John—check your boost, and get yours today.

📞 Call to Action!

Whew! That's a lot about Boost and Pyrometer Gauges. Still got questions or itching to find out which gauge is your truck's soulmate? Ring us at 832-867-3345 and ask for Edwin. He's our gauge whisperer and loves chatting about this stuff. Tell him you're there for the turbo talk – he'll get a kick out of it! 😂🚚💨

Link to share

Use this link to share the article with a friend.